typically reproduce in feces, compost and carrion. These flies are often a serious concern for commercial animal farming operations, since…
species live in the soil and feed on the roots of many plants. They are a serious pest that can cause substantial damage. The adults are not harmful.…
( Cladosporium spp .) is encouraged, making it unsuitable for sale. In serious cases the fruit will rot. Sooty moulds also develop on the leaves,…
Macrosiphum rosae Rose aphid General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan…
soybean, sesame and cotton. One of the reasons why this plague can be serious is that the moth is able to disperse widely, reaching distances of up…
an enormous variety of form, size and habit. A number of species are a serious pest in crops or stored products. There are many useful beetles as well
in temperate climates, broad mites (Polyphagotarsonemus latus) are not a serious problem, as they are unable to overwinter. Mites belonging to the…
of the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel. Onion thrips (Thrips tabaci) is…
of the plant is reduced by loss of chlorophyll. When infestations become serious the leaves themselves can shrivel. Echinothrips americanus is often…
aphid, Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks a wide…
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